..A key consideration when undertaking risk assessments should be the potential for synergy between contact allergens. Previously, this concept has only been investigated during elicitation in contact allergic individuals...

The impact of vehicle on the relative potency of skin-sensitizing chemicals in the local lymph node assay

..Further risk factors included leg dermatitis and old age. The frequency of sensitization remains low. It is very unlikely that exposure to cosmetics or personal care products may have played a role in the few cases sensitized...